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        /* 
            如何不销毁函数的执行空间?
            1. 函数返回值是个复杂数据类型 
            2. 函数外有个变量接收了这个复杂数据类型
        


        
        
        */

        function fn1(){
            const obj = {
                name:'张三'
            }
            return  obj
        }

        let my = fn1();
    </script>
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